Physics
Physics, 26.02.2020 13:10, jack626259

The radiii of curvature of a double convex lens are 30 cm and 60 cm and the refractive index of its glass is 1.5. calculate the focal length of the lens.

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The radiii of curvature of a double convex lens are 30 cm and 60 cm and the refractive index of its...

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